Loose leaf binder



April 6, 1937. G. H. DAWSON LOOSE LEAF BINDER Filed Oct. 8, 1954 rINVENTOR. GEO/96E H 0/JW50/V ATTORNEY.

Patented Apr. 6, 1937 UNITED STATES LOOSE LEAF BINDER George H. Dawson,Chicago, 111., assignor to Wilson-Jones Company, Chicago, 111., a

corporation of Massachusetts Application October 8, 1934, Serial No.747,274

2 Claims.

This invention relates to a loose leaf binder and more particularly tomeans for hinging a pair of separate cover members to a back member.

It is an object of this invention to provide an attractive and durablemetal hinge for loose leaf binders that will not have any raw endsexposed. It is a further object of this invention to provide a metalhinge that will be protected by the back of the binder. Other objects ofthis invention will become apparent upon reading the followingdescription taken in conjunction with the accompanying drawing, inwhich- Figure 1 is a perspective view of a loose leaf binder embodyingmy invention, Figure 2 is a cross sectional view taken along the lineII-II of Figure 1; and

Figure 3 is a top plan view of one corner of the binder with a portionbroken away to facilitate illustration of the structure.

In the drawing, the reference numeral 2 indicates a back member whichincludes a back plate 3 of metal, fiber or any suitable material. Theentire outer exposed surface of the plate is covered by a sheet 4, ofleather, fabric, or other suitable material, which has its edges turnedin under the plate 3, as indicated at 5. A conventional ring metal 6 issecured to the back plate 3 by means of rivets I, or in any othersuitable manner.

A strip 8 of metal, leather, fiber, or any other suitable material ispermanently secured between the plate 3 and the bottom of the ringmetal. The outer edges of the strip 8 are spaced from the edges of theback plate 3 and are provided with a plurality of relatively smallapertures 9 spaced equidistantly from each other. The binder includescover members H), II, which are each provided with apertures I2 similarto the apertures 9 both in size and spacing.

The covers are hinged to the back member by means of a helically coiledwire [3 threaded through the apertures 9 and I2. The pitch of the helixis equivalent to the distance between adjacent apertures. The ends [4 ofeach wire l3 are positioned between the back plate 3 and the strip 8 toconceal the ends and to provide a smooth finish. Although the clampingaction between the plate 3 and the strip 8 is sufiicient to preventdisplacement of the ends M of the wire, the ends I 4 of the wire coilmay be looped betweerf two turns of the wire for greater security. As 5shown in Figure 2, the edges of the back plate 3 project slightly beyondthe outer extremities of the hinge members, so that when the binder isplaced on a desk or other highly polished surface, the edge of the backplate engages the surface and the wire coil cannot scratch or otherwisemar the surface.

Although I have described a preferred embodiment of my invention inconsiderable detail it will be understood that the description thereof15 is illustrative, rather than restrictive, as many details may bemodified or changed without departing from the spirit or scope of theinvention. Accordingly, I do not desire to be restricted to the exactconstruction described, except as 20 limited by the appended claims.

I claim:

1. In a loose leaf binder, a back plate, a ring metal secured to saidback plate, a metal strip secured between said ring metal and said backplate with its edges spaced from the edges of said back plate, the edgesof said metal strip being perforated by a series of equidistantapertures, a cover member provided with similarly spaced apertures, anda helically coiled wire threaded through both series of apertures tohinge said cover to said metal strip, the ends of said wire beingconcealed between saidmetal strip and said back plate,

2. In a loose leaf binder, a back plate, a ring metal secured to saidback plate, a metal strip secured between said ring metal and said backplate, the edges of said metal strip being spaced from the edges of saidback plate, a cover member, and a helically coiled wire hinging said L10cover to said metal strip, said back plate projecting beyond the outeredge of said helically coiled wire to prevent said wire from marring anysurface upon which the binder may be handled.

GEORGE H. DAWSON.

